Home / 143,014,681.30-214,522,021.95-47,276,569.30

Finding the Fourth Proportional to 143,014,681.30, 214,522,021.95 and 47,276,569.30

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Solution

The fourth proportional to 143,014,681.30, 214,522,021.95 and 47,276,569.30 is: 70,914,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,014,681.30 : 214,522,021.95 = 47,276,569.30 : x
  2. Step 2: Convert to fraction form
    143,014,681.30/214,522,021.95 = 47,276,569.30/x
  3. Step 3: Cross multiply
    143,014,681.30x = 214,522,021.95 × 47,276,569.30
  4. Step 4: Simplify right side
    143,014,681.30x = 10,141,865,237,095,294
  5. Step 5: Solve for x
    x = 10,141,865,237,095,294/143,014,681.30
  6. Step 6: Final answer
    x = 70,914,853.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.